13,15c13
< var minus3=-3;
< var snum = Math.floor(Math.random() * eval(minus3 + ideas.length)) + 0;
< minus3=0;
---
> var snum = Math.floor(Math.random() * ideas.length) + 0;
18,20d15
< var extrabits = "";
< var pbits="What is this area? Append space to lock in that guess. Can use derivable value via use of operators + - * / and Math.PI ( for a rectangle guess you could go something like 112 * 6 )";
<
29,104d23
< // Thanks to https://stackoverflow.com/questions/11796554/automatically-crop-html5-canvas-to-contents
< function autoCropCanvas() { // canvas, ctx) {
< var canvas=elem;
< var ctx=context;
< var bounds = {
< left: 0,
< right: eval(0 + canvas.width),
< top: 0,
< bottom: eval(0 + canvas.height)
< };
< var rows = [];
< var cols = [];
< var imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
< for (var x = 0; x < canvas.width; x++) {
< cols[x] = cols[x] || false;
< for (var y = 0; y < canvas.height; y++) {
< rows[y] = rows[y] || false;
< const p = y * (canvas.width * 4) + x * 4;
< const [r, g, b, a] = [imageData.data[p], imageData.data[p + 1], imageData.data[p + 2], imageData.data[p + 3]];
< var isEmptyPixel = Math.max(r, g, b, a) === 0;
< if (!isEmptyPixel) {
< cols[x] = true;
< rows[y] = true;
< }
< }
< }
< for (var i = 0; i < rows.length; i++) {
< if (rows[i]) {
< bounds.top = i ? i - 1 : i;
< break;
< }
< }
< for (var i = rows.length; i--; ) {
< if (rows[i]) {
< bounds.bottom = i < canvas.height ? i + 1 : i;
< break;
< }
< }
< for (var i = 0; i < cols.length; i++) {
< if (cols[i]) {
< bounds.left = i ? i - 1 : i;
< break;
< }
< }
< for (var i = cols.length; i--; ) {
< if (cols[i]) {
< bounds.right = i < canvas.width ? i + 1 : i;
< break;
< }
< }
< //alert(bounds.left);
< if (1 == 2) {
< var newWidth = bounds.right - bounds.left;
< var newHeight = bounds.bottom - bounds.top;
< var cut = ctx.getImageData(bounds.left, bounds.top, newWidth, newHeight);
< canvas.width = newWidth;
< canvas.height = newHeight;
< ctx.putImageData(cut, 0, 0);
< } else {
< canvas.style.marginLeft='-' + bounds.left + 'px';
< //canvas.style.marginTop='-' + bounds.top + 'px';
< }
< }
<
< function athen() {
< document.getElementById('submit').click();
< }
<
< function ansviaprompt(ebits) {
< var huhw=prompt(ebits, '');
< if (huhw == null) { huhw=''; }
< if (huhw != '') {
< document.getElementById('answer').value=eval('' + huhw.trim());
< if (huhw.trim() != huhw) { setTimeout(athen, 2000); }
< }
< }
133,134c52
< var xdiff = 999.0, areais = 0.0;
< extrabits = "";
---
> var xdiff = 999.0, areais = 0.0, extrabits = "";
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< document.getElementById('answer').value='';
194d110
< document.getElementById('answer').value='';
199c115
< snum = Math.floor(Math.random() * eval(minus3 + ideas.length)) + 0;
---
> snum = Math.floor(Math.random() * ideas.length) + 0;
220,221d135
< } else {
< context.clearRect(0,0,elem.width,elem.height);
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< autoCropCanvas();
267d179
< autoCropCanvas();
290d201
< autoCropCanvas();
314d224
< autoCropCanvas();
328d237
< autoCropCanvas();
336d244
< if (rnum < 50) { rnum+=Math.floor(Math.random() * 300) + 50; }
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< autoCropCanvas();
378d284
< autoCropCanvas();
387d292
< if (rnum < 50) { rnum+=Math.floor(Math.random() * 300) + 50; }
409d313
< autoCropCanvas();
424d327
< autoCropCanvas();
429d331
< if (rnum < 20) { rnum+=Math.floor(Math.random() * 200) + 40; }
434d335
< if (rnum < 10) { rnum+=Math.floor(Math.random() * 100) + 20; }
457d357
< autoCropCanvas();
484d383
< autoCropCanvas();
489d387
< if (rnum < 20) { rnum+=Math.floor(Math.random() * 200) + 40; }
511d408
< autoCropCanvas();
526d422
< autoCropCanvas();
531d426
< //if (rnum < 20) { rnum+=Math.floor(Math.random() * 200) + 40; }
538d432
< //if (rnum < 20) { rnum+=Math.floor(Math.random() * 200) + 40; }
545d438
< //if (rnum < 20) { rnum+=Math.floor(Math.random() * 200) + 40; }
568,571c461,464
<
< Areas
< Score: 0 from 0 goes
<
---
>
> Areas
> Score: 0 from 0 goes
>